WO2012043714A1 - 皮膚コラーゲン産生促進剤 - Google Patents
皮膚コラーゲン産生促進剤 Download PDFInfo
- Publication number
- WO2012043714A1 WO2012043714A1 PCT/JP2011/072362 JP2011072362W WO2012043714A1 WO 2012043714 A1 WO2012043714 A1 WO 2012043714A1 JP 2011072362 W JP2011072362 W JP 2011072362W WO 2012043714 A1 WO2012043714 A1 WO 2012043714A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- amino acid
- milk protein
- protein fraction
- milk
- skin collagen
- Prior art date
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Classifications
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- A61K8/98—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution of animal origin
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
- A23L2/52—Adding ingredients
- A23L2/66—Proteins
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
- A23L33/17—Amino acids, peptides or proteins
- A23L33/19—Dairy proteins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
- A61K35/20—Milk; Whey; Colostrum
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/01—Hydrolysed proteins; Derivatives thereof
- A61K38/012—Hydrolysed proteins; Derivatives thereof from animals
- A61K38/018—Hydrolysed proteins; Derivatives thereof from animals from milk
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/007—Preparations for dry skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/08—Anti-ageing preparations
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2200/00—Function of food ingredients
- A23V2200/30—Foods, ingredients or supplements having a functional effect on health
- A23V2200/318—Foods, ingredients or supplements having a functional effect on health having an effect on skin health and hair or coat
Definitions
- the present invention relates to a skin collagen production promoter, a food and drink for promoting skin collagen production, and a cosmetic for promoting skin collagen production, which are useful for preventing rough skin, wrinkles, a decrease in elasticity, and the like. More specifically, the present invention relates to a skin collagen production promoter containing a milk protein fraction and / or a degradation product of the milk protein fraction as an active ingredient.
- substances having a skin collagen promoting action include a basic protein fraction present in milk or a basic peptide fraction obtained by degrading the basic protein fraction with a proteolytic enzyme (Patent Document 1), lactoferrin Alternatively, a lactoferrin degradation product obtained by degrading lactoferrin with a proteolytic enzyme (Patent Document 2), lactoperoxidase or a lactoperoxidase degradation product obtained by degrading lactoperoxidase with a proteolytic enzyme (Patent Document 3), angio An angiogenin degradation product obtained by degrading genin or angiogenin with a proteolytic enzyme (Patent Document 4) is already known.
- the present invention provides a new skin collagen production promoter that promotes the biosynthesis of skin collagen that can be used as a food material that can prevent dryness, rough skin, wrinkles, and talmi, and that is safe in terms of safety.
- the issue is to provide.
- this invention makes it a subject to provide the food / beverage products or cosmetics which mix
- the inventors of the present invention have been diligently searching for substances that have a skin collagen production promoting action widely contained in food materials. A fraction and / or a degradation product of the milk protein fraction was found and the present invention was completed.
- a skin collagen production promoter comprising a milk protein fraction having the following characteristics (a) to (c) as an active ingredient.
- A It is derived from milk.
- B A fraction containing a protein having a molecular weight in the range of 6,000 to 150,000 daltons by electrophoresis on sodium dodecyl sulfate-polyacrylamide gel (SDS-PAGE).
- C The basic amino acid is contained in the constituent amino acid composition in an amount of 12 to 14% by weight, and the basic amino acid / acidic amino acid ratio is in the range of 0.5 to 0.7.
- a skin collagen production promoter comprising a degradation product of a milk protein fraction having the following characteristics (a) to (c) as an active ingredient.
- A It is derived from milk.
- B A fraction containing a protein having a molecular weight in the range of 6,000 to 150,000 daltons by electrophoresis on sodium dodecyl sulfate-polyacrylamide gel (SDS-PAGE).
- C The basic amino acid is contained in the constituent amino acid composition in an amount of 12 to 14% by weight, and the basic amino acid / acidic amino acid ratio is in the range of 0.5 to 0.7.
- a skin collagen production promoting cosmetic comprising the milk protein fraction according to (1) or (2) or a degradation product of the milk protein fraction.
- the milk protein fraction having the following characteristics (a) to (c) is orally ingested at a dose of 10 ⁇ g or more per day per adult, or 0.001-2% by weight based on the total amount of the composition
- A) It is derived from milk.
- B A fraction containing a protein having a molecular weight in the range of 6,000 to 150,000 daltons by electrophoresis on sodium dodecyl sulfate-polyacrylamide gel (SDS-PAGE).
- the basic amino acid is contained in the constituent amino acid composition in an amount of 12 to 14% by weight, and the basic amino acid / acidic amino acid ratio is in the range of 0.5 to 0.7.
- the degradation product of the milk protein fraction having the following characteristics (a) to (c) is orally ingested in an amount of 10 ⁇ g or more per day per adult, or 0.001-2 weight based on the total amount of the composition A method for promoting the production of skin collagen by applying an agent formulated so as to become a percentage.
- A It is derived from milk.
- (B) A fraction containing a protein having a molecular weight in the range of 6,000 to 150,000 daltons by electrophoresis on sodium dodecyl sulfate-polyacrylamide gel (SDS-PAGE).
- (C) The basic amino acid is contained in the constituent amino acid composition in an amount of 12 to 14% by weight, and the basic amino acid / acidic amino acid ratio is in the range of 0.5 to 0.7.
- the skin collagen production promoter of the present invention promotes the biosynthesis of collagen in the skin by oral administration or application, it is useful for preventing dry skin, rough skin, wrinkles, lowering elasticity, and the like.
- the skin collagen production promoter of the present invention is (a) derived from milk, and (b) sodium dodecyl sulfate-polyacrylamide gel (SDS-PAGE) electrophoresis, having a molecular weight in the range of 6,000 to 150,000 daltons.
- the active ingredient is a milk protein fraction that satisfies all three conditions, or a degradation product of the milk protein fraction.
- Such a milk protein fraction is obtained by, for example, bringing milk material such as skim milk or whey into contact with a cation exchange resin, washing with deionized water, and then converting the milk protein adsorbed on the resin to 0.2 M salt. It can be obtained by elution with an eluate.
- salts potassium salt, ammonia salt, phosphate, acetate, carbonate, etc. can be used in addition to sodium chloride, the ionic strength of the washing solution is 0.05 or less, and the ionic strength of the elution solution is 0.00.
- this elution fraction can be collected, desalted and concentrated by reverse osmosis (RO) membrane, electrodialysis (ED) method or the like, and dried if necessary.
- RO reverse osmosis
- ED electrodialysis
- Examples of the reverse osmosis (RO) membrane include Desal-3 (manufactured by Desalination), HR-95 (manufactured by Dow Danmark), NTR-729HF (manufactured by Nitto Denko), and the like.
- electrodialysis (ED) device include electrodialysis devices manufactured by Yuasa Ionics and Nippon Ruisui.
- a method for obtaining a protein fraction derived from milk after bringing milk or a milk-derived raw material into contact with a cation exchanger, the basic protein fraction adsorbed on the cation exchanger exceeds pH 5, A method of elution with an eluent with an ionic strength of more than 0.5 (Japanese Patent Laid-Open No. 5-202098), a method of using an alginate gel (Japanese Patent Laid-Open No. 61-246198), milk using inorganic porous particles A method for obtaining from milk (Japanese Patent Laid-Open No.
- the milk protein fraction having an action of promoting the production of skin collagen used in the present invention contains 12-14% by weight of basic amino acids in the constituent amino acid composition, and the basic amino acid / acidic amino acid ratio is 0.5-0.
- the range is 7. Outside this range, the effects of the present invention cannot be exhibited.
- the product of the present invention is a mixture of various proteins having a molecular weight of 6,000 to 150,000 daltons, and has an isoelectric point distributed over a wide range of 6 to 11.
- the degradation product of the milk protein fraction has the same amino acid composition as that of the milk protein fraction.
- a protease such as pepsin, trypsin or chymotrypsin acts on the milk protein fraction obtained by the above method.
- a degradation product having an average molecular weight of 4,000 or less can be obtained by acting a proteolytic enzyme such as pancreatin.
- the degradation product of the milk protein fraction can also be used after being pulverized by freeze drying or the like.
- milk such as cow's milk, human milk, goat milk, and sheep milk can be used. These milks can be used as they are, or reduced milk, skim milk, whey and the like of these milks can be used.
- the skin collagen production promoter of the present invention exhibits an effect of promoting skin collagen production by oral administration or application.
- the active ingredient milk protein fraction or the degradation product of the milk protein fraction can be used as it is. It can also be formulated into a medicine, tablet, capsule, drink or the like.
- oral preparations such as powders, granules, tablets and capsules are formulated by conventional methods using excipients such as starch, lactose, sucrose, mannitol, carboxymethylcellulose, corn starch, and inorganic salts. It becomes.
- binders in addition to the above-mentioned excipients, binders, disintegrants, surfactants, lubricants, fluidity promoters, colorants, fragrances and the like can be appropriately used.
- the binder include starch, dextrin, gum arabic powder, gelatin, hydroxypropyl starch, sodium carboxymethylcellulose, methylcellulose, crystalline cellulose, ethylcellulose, and polyvinylpyrrolidone.
- disintegrant include starch, hydroxypropyl starch, carboxymethylcellulose, sodium carboxymethylcellulose, crosslinked sodium carboxymethylcellulose, and crystalline cellulose.
- soybean lecithin As surfactant, soybean lecithin, sucrose fatty acid ester, etc., as lubricant, talc, wax, sucrose fatty acid ester, hydrogenated vegetable oil, etc., as fluidity promoter, anhydrous silicic acid, dry aluminum hydroxide,
- examples include magnesium silicate.
- these milk protein fractions or degradation products of the milk protein fractions can be blended in nutrients, foods and drinks, etc. as they are or after preparation. Moreover, if a milk protein fraction or a degradation product of a milk protein fraction is blended together with components that are conventionally considered to have an effective action for collagen production such as vitamin C, further skin collagen production promoting action can be expected. . In addition, since the milk protein fraction or the degradation product of the milk protein fraction is relatively stable to heat, it can be sterilized by heating under the conditions usually used.
- the skin collagen production promoter of the present invention When applying the skin collagen production promoter of the present invention, it is prepared into various dosage forms such as a liquid agent, a solid agent, a semi-solid agent, etc., by blending with commonly used known components according to the purpose of use.
- Preferred compositions include ointments, gels, creams, sprays, patches, lotions, powders and the like.
- the skin collagen production promoter of the present invention is a hydrocarbon such as petrolatum, higher fatty acid lower alkyl esters such as stearyl alcohol, isopropyl myristate, animal fats such as lanolin, polyhydric alcohols such as glycerin, glycerin fatty acid esters, mono Cosmetics for promoting skin collagen production by mixing with surfactants such as stearic acid and polyethylene glycol, inorganic salts, waxes, resins, water and, if necessary, preservatives such as methyl paraoxybenzoate and butyl paraoxybenzoate And can produce medicines.
- surfactants such as stearic acid and polyethylene glycol
- inorganic salts such as stearic acid and polyethylene glycol
- waxes such as stearic acid and polyethylene glycol
- preservatives such as methyl paraoxybenzoate and butyl paraoxybenzoate And can produce medicines.
- the effective amount of the skin collagen production promoter of the present invention by oral administration is appropriately defined by the formulation form, administration method, purpose of use, and age, weight, and medical condition of the patient to which it is applied, but is not constant. According to the results of animal experiments, it was found that it was necessary to ingest 10 ⁇ g or more of the milk protein fraction or the degradation product of the milk protein fraction per kg body weight of the rat in order to show the skin collagen production promoting action. Therefore, according to the extrapolation method, the effect can be expected by ingesting a milk protein fraction or a degradation product of milk protein fraction of 10 ⁇ g or more per adult per day. What is necessary is just to mix
- the effective amount of the application of the skin collagen production promoter of the present invention varies depending on the dosage form, but is preferably from 0.001 to 2% by weight based on the total amount of the composition to be applied. What is necessary is just to mix
- the eluate was desalted and concentrated by reverse osmosis (RO) membrane treatment, and then freeze-dried to obtain a powdered milk protein fraction. This operation was repeated twice to obtain 104 g of protein fraction.
- the isoelectric point of this protein fraction was 7.0 to 8.5, and the basic amino acid contained in this protein fraction was 17.8%.
- a 10 cm diameter column packed with 0.5 liters of cation exchange resin sulfonated chitopearl (Fujibobo) was thoroughly washed with deionized water. After 50 liters of non-sterilized skim milk was passed through this column at a flow rate of 100 ml / min, this column was thoroughly washed with deionized water, and 0.05 M phosphate buffer (pH 7.0) containing 0.15 M sodium chloride. The protein adsorbed on the resin was eluted by passing 2.5 liters. The eluate was desalted and concentrated by reverse osmosis (RO) membrane treatment, and then freeze-dried to obtain a powdered milk protein fraction.
- RO reverse osmosis
- milk protein fraction This fraction has a molecular weight of 6,000 to 150,000 daltons and an isoelectric point of 6.0 to 11.0.
- basic amino acids are 12 to 14 %Met.
- the basic amino acid / acidic amino acid ratio was 0.5 to 0.7.
- the obtained milk protein fraction can be used as it is as the skin collagen production promoter of the present invention.
- the eluate was desalted and concentrated by reverse osmosis (RO) membrane treatment, and then freeze-dried to obtain a powdered milk protein fraction. This operation was performed 5 times to obtain 12.8 g of milk protein fraction.
- This fraction has a molecular weight of 6,000 to 150,000 daltons and an isoelectric point of 6.0 to 11.0.
- basic amino acids account for 12 to 14%. Met.
- the basic amino acid / acidic amino acid ratio was 0.5 to 0.7.
- the obtained milk protein fraction can be used as it is as the skin collagen production promoter of the present invention.
- Example 2 After 12.8 g of the milk protein fraction obtained in Example 2 was dissolved in 8 liters of distilled water, trypsin (manufactured by Kanto Chemical) was added to a concentration of 2%, and hydrolysis was carried out while stirring at 37 ° C. for 1 hour. did. Subsequently, after neutralizing to pH 6.6 with a sodium hydroxide solution, 1% pancreatin (manufactured by Sigma) was added and reacted at 37 ° C. for 2 hours. After the reaction, the enzyme was inactivated by heat treatment at 80 ° C. for 10 minutes to obtain 11.7 g of a degradation product of the milk protein fraction.
- the degradation product of the obtained milk protein fraction can be used as it is as the skin collagen production promoter of the present invention.
- [Test Example 1] Collagen production of the milk protein fraction obtained in Reference Example 1, the milk protein fraction obtained in Example 1, and the degradation product of the milk protein fraction obtained in Example 3 by animal experiments using rats The promoting effect was examined. Seven-week-old Wistar male rats were obtained in the physiological saline administration group (Group A), the group (Group B) in which the milk protein fraction obtained in Reference Example 1 was administered at 10 ⁇ g / kg of the rat body weight, and Reference Example 1. The group (group C) in which 100 ⁇ g of the obtained milk protein fraction was administered per kg of rat body weight, the group (group D) in which the milk protein fraction obtained in Example 1 was administered at 10 ⁇ g per kg of rat body weight were obtained in Example 1.
- group E in which 100 ⁇ g of the obtained milk protein fraction was administered per kg body weight of the rat
- group (F group) in which the degradation product of the milk protein fraction obtained in Example 3 was administered at 10 ⁇ g per kg of body weight of the rat
- the rat dermis was treated according to the method of Nimni et al. (See Arch. Biochem.
- hydroxyproline is a special amino acid contained only in collagen and accounts for about 10% of all amino acids constituting collagen, so that the amount of collagen can be estimated (see Takashi Asano et al., Bio Industry, p. 12, 2001). The results are shown in Table 1.
- * indicates that there is a significant difference compared with the control group A (p ⁇ 0.05).
- the amount of hydroxyproline in the soluble fraction after 10 weeks was significantly higher in the B group, C group, D group, E group, F group and G group than in the A group.
- the milk protein fraction obtained in Example 1 and the degradation product of the milk protein fraction obtained in Example 3 were about twice as effective as the milk protein fraction obtained in Reference Example 1. I found out. This revealed that the milk protein fraction of the present invention or a degradation product of the milk protein fraction has a skin collagen production promoting action, and was shown to be useful as a skin collagen production promoter. It was also revealed that this skin collagen production promoting action was observed when a milk protein fraction or a degradation product of the milk protein fraction was administered at least 10 ⁇ g per kg body weight of the rat.
- Beverages containing the skin collagen production promoter with the formulation shown in Table 2 were produced by conventional methods.
- the flavor of the manufactured beverage was good, and the flavor did not deteriorate even after storage at room temperature for 1 year, and there was no problem such as precipitation.
- a dough having the composition shown in Table 3 was prepared by a conventional method, molded, and then baked to produce a biscuit containing a skin collagen production promoter.
- Each component was mixed with the composition shown in Table 5 and emulsified at an emulsification temperature of 85 ° C. to prepare a processed cheese containing a skin collagen production promoter.
- Example 2 For the milk protein fraction obtained in Example 2 (Example Product 2) and the degradation product of the milk protein fraction obtained in Example 4 (Example Product 4), normal human fibroblast cell line [white female Skin collagen production promoting action was examined by an experiment using CCD45SK (ATCCRL 1506)] collected from the skin. 10 volume% fetal bovine serum (hereinafter FBS hereinafter) containing modified Eagle's medium (MEM, 10-101, manufactured by Dainippon Pharmaceutical Co., Ltd.) using, 4 ⁇ 10 4 pieces of normal human fibroblast cell line / well / 0 After seeding in a 24-well plate so as to be 4 ml and culturing at 37 ° C.
- FBS fetal bovine serum
- MEM modified Eagle's medium
- Example Product 2 milk protein fraction obtained in Example 2
- Example Product 4 degradation product of the milk protein fraction obtained in Example 4
- N 0.1% by volume.
- * indicates that there is a significant difference compared to the control group (p ⁇ 0.05).
- the milk protein fraction and the group to which the degradation product of the milk protein fraction was added were twice as much as the group to which the milk protein fraction and the degradation product of the milk protein fraction were not added (control).
- the above collagen production promoting ability was demonstrated. This reveals that the milk protein fraction and the degradation product of the milk protein fraction of the present invention have an action of acting on dermal fibroblasts and promoting collagen production, and are useful as a skin collagen production promoter. It was shown that there is.
- a lotion having the composition shown in Table 7 was produced by a conventional method.
- a cream having the composition shown in Table 8 was produced by a conventional method.
- Example 3 Using the lotion obtained in Example 8 and the cream obtained in Example 9, an actual use test was conducted.
- a comparative product the same formulation as in Examples 8 and 9 was used except that the milk protein fraction and the degradation product of the milk protein fraction were excluded.
- the skin lotion of the product of the present invention is significantly improved in dry feeling, rough skin, etc., and excellent in promoting skin collagen production, compared to the skin lotion of the comparative product.
- the cream of the present invention also has an improvement in dry feeling and a marked improvement in rough skin, as compared with the comparative cream, and has been found to have an effect of suppressing natural deterioration such as rough skin.
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Abstract
Description
(1)次の(a)から(c)の特性を有する乳タンパク質画分を有効成分とする皮膚コラーゲン産生促進剤。
(a)乳由来であること。
(b)ソディウムドデシルサルフェート-ポリアクリルアミドゲル(SDS-PAGE)電気泳動で、分子量6,000から150,000ダルトンの範囲のタンパク質を含有する画分であること。
(c)構成アミノ酸組成中に塩基性アミノ酸を12から14重量%含有し、かつ、塩基性アミノ酸/酸性アミノ酸比が0.5から0.7の範囲であること。
(2)次の(a)から(c)の特性を有する乳タンパク質画分の分解物を有効成分とする皮膚コラーゲン産生促進剤。
(a)乳由来であること。
(b)ソディウムドデシルサルフェート-ポリアクリルアミドゲル(SDS-PAGE)電気泳動で、分子量6,000から150,000ダルトンの範囲のタンパク質を含有する画分であること。
(c)構成アミノ酸組成中に塩基性アミノ酸を12から14重量%含有し、かつ、塩基性アミノ酸/酸性アミノ酸比が0.5から0.7の範囲であること。
(3)(1)又は(2)に記載の乳タンパク質画分又は乳タンパク質画分の分解物を配合した皮膚コラーゲン産生促進用飲食品。
(4)(1)又は(2)に記載の乳タンパク質画分又は乳タンパク質画分の分解物を配合した皮膚コラーゲン産生促進用化粧料。
(5)次の(a)から(c)の特性を有する乳タンパク質画分を、成人一人当たり一日10μg以上経口摂取するか、又は組成物全量を基準として0.001~2重量%になるよう配合した剤を塗布することによる皮膚コラーゲンの産生促進方法。
(a)乳由来であること。
(b)ソディウムドデシルサルフェート-ポリアクリルアミドゲル(SDS-PAGE)電気泳動で、分子量6,000から150,000ダルトンの範囲のタンパク質を含有する画分であること。
(c)構成アミノ酸組成中に塩基性アミノ酸を12から14重量%含有し、かつ、塩基性アミノ酸/酸性アミノ酸比が0.5から0.7の範囲であること。
(6)次の(a)から(c)の特性を有する乳タンパク質画分の分解物を、成人一人当たり一日10μg以上経口摂取するか、又は組成物全量を基準として0.001~2重量%になるよう配合した剤を塗布することによる皮膚コラーゲンの産生促進方法。
(a)乳由来であること。
(b)ソディウムドデシルサルフェート-ポリアクリルアミドゲル(SDS-PAGE)電気泳動で、分子量6,000から150,000ダルトンの範囲のタンパク質を含有する画分であること。
(c)構成アミノ酸組成中に塩基性アミノ酸を12から14重量%含有し、かつ、塩基性アミノ酸/酸性アミノ酸比が0.5から0.7の範囲であること。
下記の方法(特開2003-144095参照)により、皮膚コラーゲン産生促進作用が認められるの乳タンパク質画分を調製した。陽イオン交換樹脂のスルホン化キトパール(富士紡績製) 0.5リットルを充填した直径10cmのカラムを脱イオン水で充分洗浄した。このカラムに未殺菌脱脂乳 50リットルを流速100ml/minで通液した後、このカラムを脱イオン水で充分洗浄し、0.95M塩化ナトリウムを含む0.05Mリン酸緩衝液(pH7.0)2.5リットルを通液して樹脂に吸着したタンパク質を溶出した。そして、この溶出液を逆浸透(RO)膜処理により、脱塩し、濃縮した後、凍結乾燥して粉末状の乳タンパク質画分を得た。この操作を2回繰り返して104gのタンパク質画分を得た。このタンパク質画分の等電点は7.0~8.5であって、このタンパク質画分に含まれる塩基性アミノ酸は17.8%であった。
参考例1で得られた乳タンパク質画分及び、実施例1で得られた乳タンパク質画分、実施例3で得られた乳タンパク質画分の分解物について、ラットを用いた動物実験によりコラーゲン産生促進作用を調べた。7週齢のWistar系雄ラットを、生理食塩水投与群(A群)、参考例1で得られた乳タンパク質画分をラット体重1kg当たり10μg投与する群(B群)、参考例1で得られた乳タンパク質画分をラット体重1kg当たり100μg投与する群(C群)、実施例1で得られた乳タンパク質画分をラット体重1kg当たり10μg投与する群(D群)、実施例1で得られた乳タンパク質画分をラット体重1kg当たり100μg投与する群(E群)、実施例3で得られた乳タンパク質画分の分解物をラット体重1kg当たり10μg投与する群(F群)、実施例3で得られた乳タンパク質画分の分解物をラット体重1kg当たり100μg投与する群(G群)の7試験群(n=6)に分け、それぞれを毎日1回ゾンデで投与して10週間飼育した。皮膚のコラーゲン量については、ラットの真皮をNimniらの方法(Arch. Biochem. Biophys., 292頁, 1967年 参照)に準じて処理した後、可溶性画分に含まれるヒドロキシプロリン量を測定した。ヒドロキシプロリンはコラーゲンのみに含まれる特殊なアミノ酸で、コラーゲンを構成する全アミノ酸の約10%を占めることからコラーゲン量の推定ができる(浅野隆司ら,Bio Industory,12頁, 2001年 参照)。その結果を表1に示す。
実施例2で得られた乳タンパク質画分(実施例品2)及び実施例4で得られた乳タンパク質画分の分解物(実施例品4)について、正常ヒト線維芽細胞株〔白人女性の皮膚より採取されたCCD45SK(ATCCRL 1506)〕を用いた実験により皮膚コラーゲン産生促進作用を調べた。10容量%ウシ胎児血清(以下FBSと略記)含有変法イーグル培地(MEM、10‐101、大日本製薬社製)を用いて、正常ヒト線維芽細胞株を4×104個/ウエル/0.4mlとなるように24ウエルプレートに播種して、5%炭酸ガス、飽和水蒸気下、37℃で24時間培養した後、0.6容量%FBS含有MEM培地に置換した。そして、実施例2で得られた乳タンパク質画分(実施例品2)及び実施例4で得られた乳タンパク質画分の分解物(実施例品4)を、各ウエルに0.1容量%となるように添加(n=6)して、24時間培養した後、β-アミノプロピオニトリルを50μg/ml、トリチウム-L-プロリンを1μCi/mlとなるように添加して、さらに24時間培養して培養液を得た。このようにして得られた培養液より、Websterらの方法(Analytical Biochemistry,220頁,1979年 参照)に従いコラーゲン画分を分画し、コラーゲン画分に取り込まれた放射能を測定した。なお、対照として、乳タンパク質画分及び乳タンパク質画分の分解物を添加しないで同様の試験を行った。その結果を表6に示す。
実施例8で得られた化粧水及び実施例9で得られたクリームを用いて、実使用テストを行った。比較品としては、乳タンパク質画分及び乳タンパク質画分の分解物を除いた以外は実施例8及び9と同じ配合のものを用いた。顔面のたるみや小ジワが認められる乾燥肌を有する成人女子20人を、それぞれ10人ずつ無作為に2群(A、B群)に、また、手に肌荒れが認められる女子20人を、それぞれ10人ずつ無作為に2群(C、D群)に分け、A群の顔面には本発明品の化粧水2gを、B群の顔面には比較品の化粧水2gを、C群の手指には本発明品のクリーム2gを、D群の手指には比較品のクリーム2gを、それぞれ1日2回通常の使用状態と同様に10日間塗布してもらった。結果を表9に示す。
Claims (6)
- 次の(a)から(c)の特性を有する乳タンパク質画分を有効成分とする皮膚コラーゲン産生促進剤。
(a)乳由来であること。
(b)ソディウムドデシルサルフェート-ポリアクリルアミドゲル(SDS-PAGE)電気泳動で、分子量6,000から150,000ダルトンの範囲のタンパク質を含有する画分であること。
(c)構成アミノ酸組成中に塩基性アミノ酸を12から14重量%含有し、かつ、塩基性アミノ酸/酸性アミノ酸比が0.5から0.7の範囲であること。 - 次の(a)から(c)の特性を有する乳タンパク質画分の分解物を有効成分とする皮膚コラーゲン産生促進剤。
(a)乳由来であること。
(b)ソディウムドデシルサルフェート-ポリアクリルアミドゲル(SDS-PAGE)電気泳動で、分子量6,000から150,000ダルトンの範囲のタンパク質を含有する画分であること。
(c)構成アミノ酸組成中に塩基性アミノ酸を12から14重量%含有し、かつ、塩基性アミノ酸/酸性アミノ酸比が0.5から0.7の範囲であること。 - 請求項1又は2に記載の乳タンパク質画分又は乳タンパク質画分の分解物を配合した皮膚コラーゲン産生促進用飲食品。
- 請求項1又は2に記載の乳タンパク質画分又は乳タンパク質画分の分解物を配合した皮膚コラーゲン産生促進用化粧料。
- 次の(a)から(c)の特性を有する乳タンパク質画分を、成人一人当たり一日10μg以上経口摂取するか、又は組成物全量を基準として0.001~2重量%になるよう配合した剤を塗布するによる皮膚コラーゲンの産生促進方法。
(a)乳由来であること。
(b)ソディウムドデシルサルフェート-ポリアクリルアミドゲル(SDS-PAGE)電気泳動で、分子量6,000から150,000ダルトンの範囲のタンパク質を含有する画分であること。
(c)構成アミノ酸組成中に塩基性アミノ酸を12から14重量%含有し、かつ、塩基性アミノ酸/酸性アミノ酸比が0.5から0.7の範囲であること。 - 次の(a)から(c)の特性を有する乳タンパク質画分の分解物を、成人一人当たり一日10μg以上経口摂取するか、又は組成物全量を基準として0.001~2重量%になるよう配合した剤を塗布することによる皮膚コラーゲンの産生促進方法。
(a)乳由来であること。
(b)ソディウムドデシルサルフェート-ポリアクリルアミドゲル(SDS-PAGE)電気泳動で、分子量6,000から150,000ダルトンの範囲のタンパク質を含有する画分であること。
(c)構成アミノ酸組成中に塩基性アミノ酸を12から14重量%含有し、かつ、塩基性アミノ酸/酸性アミノ酸比が0.5から0.7の範囲であること。
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JP2013079216A (ja) | 2011-10-04 | 2013-05-02 | Snow Brand Milk Products Co Ltd | 感覚改善剤 |
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WO2004098632A1 (ja) * | 2003-05-07 | 2004-11-18 | Snow Brand Milk Products Co., Ltd. | 皮膚コラーゲン産生促進剤 |
JP2007246413A (ja) * | 2006-03-14 | 2007-09-27 | Snow Brand Milk Prod Co Ltd | 乳由来塩基性タンパク質含有組成物 |
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JP2003144095A (ja) * | 2001-11-08 | 2003-05-20 | Snow Brand Milk Prod Co Ltd | 美肌剤 |
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JP2007246413A (ja) * | 2006-03-14 | 2007-09-27 | Snow Brand Milk Prod Co Ltd | 乳由来塩基性タンパク質含有組成物 |
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KR20130099104A (ko) | 2013-09-05 |
US20130225497A1 (en) | 2013-08-29 |
CN103140231A (zh) | 2013-06-05 |
KR101789355B1 (ko) | 2017-10-23 |
CN103140231B (zh) | 2015-03-04 |
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